实例分析和计算表明，多层递阶时间序列模型能较好地反映参数的时变特性，取得较精确的沉降预测结果。
The case result shows that the multi-layer recursive time series model is effective in analyzing the time-dependent characteristics of parameters, and has considerable prediction precision.
经标准化处理后，在确定时变参数估值的基础上，建立了大修费用多层递阶预测模型，并成功地实现了大修费用预测。
The Multi?layer hierarchical recursion model for equipment overhaul cost forecasting is successfully established in overhaul cost prediction.
本文使用多层递阶的基础理论，提出了短期雷暴预报的两种模型A和B。
In this paper, the author have applied the fundamental theory of multilevel recursion to short-range thunderstorm forecast and proposed model a and B.
本文使用多层递阶的基础理论，提出了短期雷暴预报的两种模型A和B。
In this paper, the author have applied the fundamental theory of multilevel recursion to short-range thunderstorm forecast and proposed model a and B.
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